The specs show 0 to 70°C operating temperature. Do you have an industrial wide-temp version for our harsh outdoor enclosures?

The standard LS-BL49551G-A2C covers 0 to 70°C for commercial indoor use. However, we do manufacture industrial wide-temperature versions (LS-BL49551G-A2I) that operate reliably from -40 to 85°C. Just specify your industrial environment needs when requesting a quote!

Do these single mode fiber modules meet strict industry compliance and laser safety standards for deployment in EU telecom facilities?

Yes. All our optical transceivers pass a rigorous quality testing program and are fully certified with CE, RoHS, UKCA, and ISO standard compliance. They also meet Class I FDA laser safety requirements, making them ideal for EU and global telecom environments.

Will this 1G BiDi SFP module play nice with a mix of Cisco Catalyst and Juniper EX switches in our data center?

Absolutely. The LS-BL49551G-A2C is rigorously tested for OEM compatibility, including major brands like Cisco, Juniper, and HPE. It strictly complies with SFP MSA standards, guaranteeing seamless plug-and-play interoperability across your multi-vendor environment.

We're scoping a massive campus network upgrade. Are there volume discounts if we procure 500+ units?

Yes, we offer tiered B2B pricing for bulk deployments. For orders over 100 units, the price drops immediately, and we offer even deeper discounts for 500+ pieces. You can also apply our enterprise coupon codes at checkout or contact our sales team for a custom quote.

For a 120km base station backhaul, do I strictly need single-mode fiber, and what connector type should my patch cords have?

Yes, for 120km ultra-long distances, you must use Single Mode Fiber (SMF) to prevent signal degradation. This specific BiDi module uses a Simplex LC optical interface, so you'll need Simplex LC-to-LC single-mode patch cables to complete your setup.

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FS SFP-1G45-BX120 Compatible LINK-PP 1G SFP BiDi 1490nm-TX/1550nm-RX 120km Simplex LC DOM SMF Optical Transceiver Module

Name: FS SFP-1G45-BX120 Compatible LINK-PP 1G SFP BiDi 1490nm-TX/1550nm-RX 120km Simplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 217181
Price: 24.94 USD
Availability: InStock
Rating: 5 (16 reviews)

# 217181

Product: FS SFP-1G45-BX120 Compatible LINK-PP 1G SFP BiDi 1490nm-TX/1550nm-RX 120km Simplex LC DOM SMF Optical Transceiver Module
SKU: 217181
P/N: LS-BL49551G-A2C
Price: $ 29
Stock: 336 in Stock
Sold: 626
Product URL: https://www.l-p.com/products/495201.htm

For Order Over $1000 Get $15.00 Off , Code: Linkpp15

For Order Over $3000 Get $50.00 Off , Code: Linkpp50

For Order Over $5000 Get $100.00 Off , Code: Linkpp100

New Users: $10 Coupon for Orders , Code: linkpp2610

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$ 27.55

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$ 26.68

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Manufacture: LINK-PP

P/N: LS-BL49551G-A2C

Compatible:: Cisco; LINK-PP; Brocade; DELL; Extreme; FS; Generic; H3C; HPE; HW; Juniper; Netgear

Compatible P/N:: SFP-1G34-BX10 | 10km; SFP-1G35-BX10 | 10km; SFP-1G43-BX10 | 10km; SFP-1G53-BX10 | 10km; SFP-1G34-BX20 | 20km; SFP-1G35-BX20 | 20km; SFP-1G43-BX20 | 20km; SFP-1G53-BX20 | 20km; SFP-1G34-BX40 | 40km; SFP-1G35-BX40 | 40km; SFP-1G43-BX40 | 40km; SFP-1G53-BX40 | 40km; SFP-1G45-BX80 | 80km; SFP-1G54-BX80 | 80km; SFP-1G45-BX120 | 120km; SFP-1G54-BX120 | 120km; SFP-1G45-BX160 | 160km; SFP-1G45-BX160-I | 160km; SFP-1G54-BX160 | 160km; SFP-1G54-BX160-I | 160km

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FS SFP-1G45-BX120 Compatible LINK-PP 1G BiDi SFP Specifications

The FS SFP-1G45-BX120 Compatible LINK-PP module is a high-performance 1G BiDi SFP optical transceiver designed for exceptional long-reach networking. This robust module features an advanced 1490nm DFB laser transmitter alongside a sensitive 1550nm APD receiver. Engineered for standard commercial operating temperatures, it guarantees seamless gigabit ethernet integration across extensive telecommunication enterprise networks demanding extreme distance coverage.

FS Part Number	SFP-1G45-BX120	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1490nm-TX/1550nm-RX	Max Cable Distance	120km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	APD
TX Power	0 to +5dBm	RX Power	-28 to -1dBm
Receiver Sensitivity	<-32dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

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Q: The specs show 0 to 70°C operating temperature. Do you have an industrial wide-temp version for our harsh outdoor enclosures? By C***n on 2026-04-15

A: The standard LS-BL49551G-A2C covers 0 to 70°C for commercial indoor use. However, we do manufacture industrial wide-temperature versions (LS-BL49551G-A2I) that operate reliably from -40 to 85°C. Just specify your industrial environment needs when requesting a quote! By admin on 2026-04-15
Q: Do these single mode fiber modules meet strict industry compliance and laser safety standards for deployment in EU telecom facilities? By J***r on 2025-12-31

A: Yes. All our optical transceivers pass a rigorous quality testing program and are fully certified with CE, RoHS, UKCA, and ISO standard compliance. They also meet Class I FDA laser safety requirements, making them ideal for EU and global telecom environments. By admin on 2025-12-31
Q: Will this 1G BiDi SFP module play nice with a mix of Cisco Catalyst and Juniper EX switches in our data center? By M***z on 2025-04-28

A: Absolutely. The LS-BL49551G-A2C is rigorously tested for OEM compatibility, including major brands like Cisco, Juniper, and HPE. It strictly complies with SFP MSA standards, guaranteeing seamless plug-and-play interoperability across your multi-vendor environment. By admin on 2025-04-28
Q: We're scoping a massive campus network upgrade. Are there volume discounts if we procure 500+ units? By S***n on 2025-04-05

A: Yes, we offer tiered B2B pricing for bulk deployments. For orders over 100 units, the price drops immediately, and we offer even deeper discounts for 500+ pieces. You can also apply our enterprise coupon codes at checkout or contact our sales team for a custom quote. By admin on 2025-04-05
Q: For a 120km base station backhaul, do I strictly need single-mode fiber, and what connector type should my patch cords have? By A***l on 2025-02-21

A: Yes, for 120km ultra-long distances, you must use Single Mode Fiber (SMF) to prevent signal degradation. This specific BiDi module uses a Simplex LC optical interface, so you'll need Simplex LC-to-LC single-mode patch cables to complete your setup. By admin on 2025-02-21

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M***k

Denmark

Verified Purchase

5 .0

2026-04-02

Plug and play in Juniper.

203 Helpful vote Comments

L***z

Ireland

Verified Purchase

5 .0

2026-03-10

DOM support is super useful!

194 Helpful vote Comments

D***s

Mexico

Verified Purchase

5 .0

2026-01-14

Upgraded my fiber NAS setup. The single mode fiber simplex LC connection is pristine. DOM support lets me monitor TX/RX in real-time. Absolute best 1G long-haul module for the price.

36 Helpful vote Comments

A***l

Norway

Verified Purchase

5 .0

2025-10-13

Great OEM alternative. DOM readings match perfectly with our Brocade switch CLI.

214 Helpful vote Comments

D***z

Philippines

Verified Purchase

5 .0

2025-09-03

Fast Gigabit Ethernet link on standard SMF. Exactly what our machine room needed! ⚡

69 Helpful vote Comments

A***k

Macao

Verified Purchase

5 .0

2025-07-24

Tested these 1490nm-TX/1550nm-RX DOM modules on our campus fiber network. Flawless interoperability between Cisco and Juniper switches! 120km transmission distance is legit, optical levels remained well within threshold. Highly recommend.

66 Helpful vote Comments

K***z

Poland

Verified Purchase

5 .0

2025-05-22

Clean 1490nm-TX/1550nm-RX optical signal output.

92 Helpful vote Comments

B***n

Italy

Verified Purchase

5 .0

2025-05-15

Incredible value for enterprise procurement.

160 Helpful vote Comments

R***n

France

Verified Purchase

5 .0

2025-04-07

Best Cisco alternative optical transceiver.

186 Helpful vote Comments

K***z

United Kingdom

Verified Purchase

5 .0

2025-01-28

Using this 1.25G transceiver for outdoor cabinet uplinks. Even at near 70°C operating temperature, no packet loss. Great compatibility with our HPE gear. Will definitely purchase more for the data center!

35 Helpful vote Comments

D***g

Russian Federation

Verified Purchase

5 .0

2025-01-27

Works flawlessly in Dell equipment. DFB laser TX power is exactly as advertised.

157 Helpful vote Comments

R***z

Argentina

Verified Purchase

5 .0

2025-01-01

Flawless Simplex LC SMF connection. ✨

148 Helpful vote Comments

J***y

Indonesia

Verified Purchase

5 .0

2023-12-25

Very quality product and very Fast shipping. I am pleased with my order and would do business with them again. Thanks!

71 Helpful vote Comments

M***n

Japan

Verified Purchase

5 .0

2023-10-01

module works as expected. shipping was quick.

43 Helpful vote Comments

J***k

Denmark

Verified Purchase

5 .0

2023-05-28

excellent web page, available mostly parts with low prices

68 Helpful vote Comments

M***o

France

Verified Purchase

5 .0

2023-03-09

Very informative and professional customer service. The staff was very helpful in our selection of 10/25/40G Transceiver Modules, and walked us through the process.We were happy with the results.

37 Helpful vote Comments